| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef FLUTTER_FLOW_LAYERS_PERFORMANCE_OVERLAY_LAYER_H_ |
| #define FLUTTER_FLOW_LAYERS_PERFORMANCE_OVERLAY_LAYER_H_ |
| |
| #include <string> |
| |
| #include "flutter/flow/instrumentation.h" |
| #include "flutter/flow/layers/layer.h" |
| #include "flutter/fml/macros.h" |
| |
| class SkTextBlob; |
| |
| namespace flutter { |
| |
| const int kDisplayRasterizerStatistics = 1 << 0; |
| const int kVisualizeRasterizerStatistics = 1 << 1; |
| const int kDisplayEngineStatistics = 1 << 2; |
| const int kVisualizeEngineStatistics = 1 << 3; |
| |
| class PerformanceOverlayLayer : public Layer { |
| public: |
| static sk_sp<SkTextBlob> MakeStatisticsText(const Stopwatch& stopwatch, |
| const std::string& label_prefix, |
| const std::string& font_path); |
| |
| explicit PerformanceOverlayLayer(uint64_t options, |
| const char* font_path = nullptr); |
| |
| void Paint(PaintContext& context) const override; |
| |
| private: |
| int options_; |
| std::string font_path_; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(PerformanceOverlayLayer); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_FLOW_LAYERS_PERFORMANCE_OVERLAY_LAYER_H_ |